Cost-effectiveness analysis of treatment alternatives for beef bulls with preputial prolapse
Kasari, T.R.; McGrann, J.M.; Hooper, R.N.
Journal of the American Veterinary Medical Association 211(7): 856-859
1997
ISSN/ISBN: 0003-1488 PMID: 9333085 Document Number: 478692
To develop an economic model for comparing cost-effectiveness of medical and surgical treatment against replacement of beef bulls with preputial prolapse, estimates were determined from medical records of bulls treated for prolapse and from information about treatment of bulls published elsewhere. Annual depreciation cost for treatment (ADCT) and replacement (ADCR) were calculated. Total investment for an injured bull equalled the sum of salvage value, maintenance cost, and expected cost of the treatment option under consideration. Total investment for a replacement bull was purchase price. Net present value of cost was calculated for each year of bull use. Sensitivity analyses were constructed to determine the value that would warrant treatment of an injured bull. The decision to treat was indicated when ADCT was less than ADCR. It is concluded that the model can be used by veterinarians to provide an objective basis to guide decision making of owners who seek advice on whether to treat or replace bulls with preputial prolapse.